# Introduction to Algebra

MOOC
English
4 hours course
Certification paid
Course by EdX
free
free
What will you learn?
How to add, subtract, multiply, and divide positive and negative integers, decimals, and fractions
How to evaluate powers and roots, and simplify expressions with exponents
How to solve single-variable and multi-variable equations and inequalities
How to graph lines and inequalities, using both slope-intercept and point-slope form
How to graph quadratics, and solve for their roots using the quadratic formula

We live in a world of numbers. You see them every day: on clocks, in the stock market, in sports, and all over the news. Algebra is all about figuring out the numbers you don't see. You might know how fast you can throw a ball, but can you use this number to determine how far you can throw it? You might keep track of stock prices, but how can you figure out how much money you've made (or lost) in the market? And you may already know how to tell time, but can you calculate at what times a clock's hour and minute hands are exactly aligned? With algebra, you can answer all of these questions, using the numbers you already know to solve for the unknown. Algebra is an essential tool for all of high school and college-level math, science, and engineering. So if you're starting out in one of these fields and you haven't yet mastered algebra, then this is the course for you!

In this course, you'll be able to choose your own path within each lesson, and you can jump between lessons to quickly review earlier material. AlgebraX covers a standard curriculum in high school Algebra I, and CCSS (common core) alignment is indicated where applicable.

Program
Introduction to Algebra
Solve equations, draw graphs, and play with quadratics in this interactive course!
Lecturers
Zach Wissner-Gross
John Lee
Vivek Venkatachalam
Kenny Peng
Michael Fountaine
Stephen Face
Platform
All the courses on this platform are free of charge. The authors are top universities and corporations that seek to maintain high quality standards. If you do not meet a deadline for assignments, you lose points. Like on other platforms, the videos in which the theory is explained are followed by practical assignments. Courses are available in English, Chinese, Spanish, French and Hindi.
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